Renewable Energy Solutions

Littelfuse provides a wide range of renewable energy solutions that include high-speed fuses, fast-acting relays, surge protection devices, and temperature sensors. These products from Littelfuse are designed to protect equipment from arc-flashes and fault conditions caused by equipment failure, phase-to-phase or ground faults, insulation breakdown, or temperature extremes. This selection of fuses, relays, surge protection devices, and temperature sensors can be found and used in Battery Energy Storage Systems (BESS), Solar/Photovoltaic (PV) energy solutions, and wind turbines.

Results: 241
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Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Current Rating
Voltage Rating AC
Fuse Type
Voltage Rating DC
Interrupt Rating
Body Style
Mounting Style
Termination Style
Class
Fuse Size / Group
Indicator Style
Packaging
Series
Littelfuse Industrial & Electrical Fuses 1000A 150VAC 100VDC FF L15S POWR-SPEED
Datasheet
7In Stock
Min.: 1
Mult.: 1
Semiconductor Fuses 1 kA 150 VAC Fast-Acting Fuses 100 VDC 100 kA Bolt Down Class aR Fuses Without Indicator Bulk L15S
Littelfuse Industrial & Electrical Fuses 70A 500VAC 450VDC FF L50S POWR-SPEED
Datasheet
10In Stock
Min.: 1
Mult.: 1
Semiconductor Fuses 70 A 500 VAC Fast-Acting Fuses 450 VDC 20 kA Round Body Blade Fuses Stud Bolt Down Without Indicator Bulk L50S
Littelfuse Industrial & Electrical Fuses 350A 500VAC 450VDC FF L50S POWR-SPEED
Datasheet
4In Stock
Min.: 1
Mult.: 1
Semiconductor Fuses 350 A 500 VAC Fast-Acting Fuses 450 VDC 200 kA Round Body Blade Fuses Stud Bolt Down Without Indicator Bulk L50S
Littelfuse Industrial & Electrical Fuses SQB SIZE 1XL FLUSH 550A
Datasheet
1In Stock
Min.: 1
Mult.: 1

Semiconductor Fuses 550 A Fast-Acting Fuses 1.5 kVDC 200 kA Threaded Visual Indicator Bulk PSX
Littelfuse Industrial & Electrical Fuses SQB SIZE 3XL DIN BL 1000A
Datasheet
112Expected 1/5/2027
Min.: 1
Mult.: 1

Semiconductor Fuses 1 kA Fast-Acting Fuses 1.5 kVDC 200 kA Blade Visual Indicator Bulk PSX
Littelfuse Industrial & Electrical Fuses 50A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
64On Order
Min.: 1
Mult.: 1

Semiconductor Fuses 50 A 500 VAC Fast-Acting Fuses 500 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L50QS
Littelfuse Industrial & Electrical Fuses 125A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
45Expected 10/30/2026
Min.: 1
Mult.: 1

Semiconductor Fuses 125 A 500 VAC Fast-Acting Fuses 500 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L50QS
Littelfuse Industrial & Electrical Fuses 500A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
14On Order
Min.: 1
Mult.: 1

Semiconductor Fuses 500 A 500 VAC Fast-Acting Fuses 500 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L50QS
Littelfuse Industrial & Electrical Fuses 300A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
10Expected 8/26/2026
Min.: 1
Mult.: 1

Semiconductor Fuses 300 A 700 VAC Fast-Acting Fuses 700 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L70QS
Littelfuse Industrial & Electrical Fuses SQB SIZE 1XL BOLTED BL 200A
Datasheet
12Expected 10/5/2026
Min.: 1
Mult.: 1

Semiconductor Fuses 200 A Fast-Acting Fuses 1.5 kVDC 200 kA Blade Visual Indicator Bulk PSX
Littelfuse Industrial & Electrical Fuses SQB SIZE 3XL BOLTED BL 800A
Datasheet
5Expected 11/25/2026
Min.: 1
Mult.: 1

Semiconductor Fuses 800 A Fast-Acting Fuses 1.5 kVDC 200 kA Blade Visual Indicator Bulk PSX
Littelfuse Industrial & Electrical Fuses 35A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
117On Order
Min.: 1
Mult.: 1

Semiconductor Fuses 35 A 500 VAC Fast-Acting Fuses 500 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L50QS
Littelfuse Industrial & Electrical Fuses 750V FAST BLOW 35A
Datasheet
225Expected 9/24/2026
Min.: 1
Mult.: 1
Semiconductor Fuses 35 A Fast-Acting Fuses 750 VDC 50 kA Round Body Fuses Stud Bolt Down Without Indicator Bulk L75
Littelfuse Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 60A
Datasheet
186Expected 10/5/2026
Min.: 1
Mult.: 1
Semiconductor Fuses 60 A 750 VDC 50 kA Round Body Fuses Stud Bolt Down Without Indicator Bulk L75
Littelfuse Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 150A
Datasheet
30Expected 9/10/2026
Min.: 1
Mult.: 1
Semiconductor Fuses 150 A 750 VDC 50 kA Round Body Fuses Stud Bolt Down Without Indicator Bulk L75


Littelfuse Industrial & Electrical Fuses SQB SIZE 3XL FLUSH 1000A
Datasheet
7Expected 1/19/2027
Min.: 1
Mult.: 1

Semiconductor Fuses 1 kA Fast-Acting Fuses 1.5 kVDC 200 kA Threaded Visual Indicator Bulk PSX
Littelfuse Industrial & Electrical Fuses 175A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
10Expected 9/17/2026
Min.: 1
Mult.: 1

Semiconductor Fuses 175 A 500 VAC Fast-Acting Fuses 500 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L50QS
Littelfuse Industrial & Electrical Fuses 350A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
6Expected 9/17/2026
Min.: 1
Mult.: 1

Semiconductor Fuses 350 A 700 VAC Fast-Acting Fuses 700 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L70QS
Littelfuse Industrial & Electrical Fuses 800A 250VAC 200VDC FF L25S POWR-SPEED
Datasheet
1Expected 1/5/2027
Min.: 1
Mult.: 1

Semiconductor Fuses 800 A 250 VAC Fast-Acting Fuses 200 VDC 20 kA Bolt Down Class aR Fuses Without Indicator Bulk L25S
Littelfuse Industrial & Electrical Fuses 40A 500VAC 500VDC FF L50QS POWR-SPEED
Datasheet
16Expected 11/13/2026
Min.: 1
Mult.: 1

Semiconductor Fuses 40 A 500 VAC Fast-Acting Fuses 500 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L50QS
Littelfuse Industrial & Electrical Fuses 40A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
9Expected 10/5/2026
Min.: 1
Mult.: 1

Semiconductor Fuses 40 A 700 VAC Fast-Acting Fuses 700 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L70QS
Littelfuse Industrial & Electrical Fuses 100A 500VAC 450VDC FF L50S POWR-SPEED
Datasheet
19Expected 10/5/2026
Min.: 1
Mult.: 1

Semiconductor Fuses 100 A 500 VAC Fast-Acting Fuses 450 VDC 20 kA Round Body Blade Fuses Stud Bolt Down Without Indicator Bulk L50S
Littelfuse Industrial & Electrical Fuses 300A 500VAC 450VDC FF L50S POWR-SPEED
Datasheet
2Expected 10/12/2026
Min.: 1
Mult.: 1

Semiconductor Fuses 300 A 500 VAC Fast-Acting Fuses 450 VDC 20 kA Round Body Blade Fuses Stud Bolt Down Without Indicator Bulk L50S
Littelfuse Industrial & Electrical Fuses 50A 700VAC 650VDC FF L70S POWR-SPEED
Datasheet
3Expected 9/24/2026
Min.: 1
Mult.: 1

Semiconductor Fuses 50 A 700 VAC Fast-Acting Fuses 650 VDC 20 kA Round Body Blade Fuses Stud Bolt Down Without Indicator Bulk L70S
Littelfuse Industrial & Electrical Fuses 50A 500VAC 450VDC FF L50S POWR-SPEED
Datasheet
4Stock Available
More Info Available
Min.: 1
Mult.: 1

Semiconductor Fuses 50 A 500 VAC Fast-Acting Fuses 450 VDC 20 kA Round Body Blade Fuses Stud Bolt Down 5AG Without Indicator Bulk L50S